Probability - 7.4.3.bcefgh

The letters R, I, T, H, M, A, I, C are put in a hat. If one letter is drawn from the hat, what is the probability that it is a member of the set M, A, T, H?

• 1/16

• 1/2

• 15/16

• 1

Which fraction correctly represents the probability of 0.25 as a ratio?

• 1/25

• 1/4

• 4/1

• 25/1

The probability of obtaining a 4 when rolling a fair die, numbered one to six, is 1/6. Which percentage is equivalent to this probability?

• 6%

• 16%

• 16 1/3%

• 16 2/3%

Which correctly represents the probability 1 as a percent?

• 0.01%

• 0.1%

• 1%

• 10%

• 100%

A family dog had a litter of 6 puppies. There are 4 females and 2 males. Half of the puppies are solid brown and half are brown with white spots. Which has the largest probability?

• The puppy has white spots.

• The puppy is male.

• The puppy is female.

• The puppy is solid brown.

What is the probability that an odd number will be spun on a fair spinner that is numbered 1 through 17?

• 1/17

• 9/17

• 1/2

• 8/9

Natalia is a girl in a math class with a total of 11 girls and 9 boys. If the teacher selects one student at random to go to the board, what is the probability that Natalia will be selected?

• 5%

• 9%

• 11%

• 55%

Jose created a ball pit for his little sister to play in. He put 40 red balls, 55 purple balls, 45 yellow balls, and 60 green balls into the pit. While his sister is playing, one ball rolls out of the pit. What is the probability that the ball is red?

• 0.17

• 0.20

• 0.25

• 0.40

A student is taking a multiple-choice test that has 60 questions. Each question has four answer choices. If the student guesses randomly on every question, how many questions should the student expect to answer correctly?

• 15

• 20

• 25

• 30

A flower shop has 11 red roses, 7 pink roses, 9 white roses, and 3 yellow roses in stock. One type of rose is randomly selected for a flower arrangement. What is the probability that the selected rose is red or yellow?

• 1/10

• 11/30

• 7/15

• 7/8